12996890 has 8 divisors (see below), whose sum is σ = 23394420. Its totient is φ = 5198752.

The previous prime is 12996881. The next prime is 12996911. The reversal of 12996890 is 9869921.

It can be written as a sum of positive squares in 2 ways, for example, as 12866569 + 130321 = 3587^2 + 361^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 649835 + ... + 649854.

Almost surely, 2^12996890 is an apocalyptic number.

12996890 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12996890 is a deficient number, since it is larger than the sum of its proper divisors (10397530).

12996890 is a wasteful number, since it uses less digits than its factorization.

12996890 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1299696.

The product of its (nonzero) digits is 69984, while the sum is 44.

The square root of 12996890 is about 3605.1199702645. The cubic root of 12996890 is about 235.1147168898.

The spelling of 12996890 in words is "twelve million, nine hundred ninety-six thousand, eight hundred ninety".